Durkopp Adler sewing machine 577 Manual

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24 Pages English

Durkopp Adler sewing machine 577
Threading the bobbin
Insert the full bobbin into the bobbin case top. When unwinding the
thread, the bobbin must turn clockwise.
Pass the hook thread through the slit
6
and under the spring
7
.
Depending on the buttonhole to be sewn, pass the hook thread
through the slit
9
for a
raised
buttonhole ( more thread will be
advanced across the hook back) )
or
through the slit
10
for a
flat
buttonhole ( less thread ).
Cut then the thread, passed as described, by the knife
11
.
Adjusting the hook thread tension
Adjust the hook thread tension by turning the screw
12
so that,
when holding the thread at its end, the bobbin case descends by
its own weight.
Inserting the bobbin case top
Place the bobbin case top together with the bobbin onto the bobbin
case bottom and ensure that the bow
5
snaps (what you should
hear).
Close the bobbin space cover
4
.
5
4
11
6
12
7
9
10
9
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